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Cambria Environmental Technology, Inc BORING/WELL LOG
<br /> 270 Perkins Street
<br /> Sonoma, California 95476
<br /> Telephone (707) 935-4850
<br /> Fax (707)935-6649
<br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME B-3
<br /> JOBISITE NAME Shell-branded Service Station DRILLING STARTED 04-Sen-03
<br /> LOCATION 1160 West Yosemite Avenue,Manteca,CA DRILLING COMPLETED 04-Sep-03
<br /> PROJECT NUMBER 1660 WELL DEVELOPMENT DATE(YIELD) NA
<br /> DRILLER Gregg Drdhno _ GROUND SURFACE ELEVATION 25'ft above msl
<br /> DRILLING METHOD Hydraulic push TOP OF CASING ELEVATION Not Surveyed
<br /> BORING DIAMETER 13/4' SCREENED INTERVAL_ NA
<br /> LOGGED BY Anne Wettstone DEPTH TO WATER(First Encountered) 20 2 ft(04-Sep-03) Q
<br /> REVIEWED BY J Neely,RG 6927 DEPTH TO WATER(Static) NA 1
<br /> REMARKS
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<br /> 4 z a r a 0-p LITHOLOGIC DESCRIPTION = WELL DIAGRAM
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<br /> ASPHALT 0 4
<br /> GM ° Silky Sandy GRAVEL(GM),black(7 5YR 2 511),moist,
<br /> 5%day,20%silt,30%fine to coarse sand,45%fine 22
<br /> ravel
<br /> Silty SAND(SM),black(7 SYR 2 511),moist,5%clay,
<br /> 35%silt,60%fine sand
<br /> 00 B-3-5 5' S @ 5'-grayish brown(2 5Y 512),5%clay,20%silt,75%
<br /> fine to medium sand
<br /> . SM
<br /> 20 B-3-1 0 5' 10 @ 10'-very dark grayish brown(5Y 312),15%silt,85%
<br /> fine to medium sand
<br /> Portland Type
<br /> Illl
<br /> 145
<br /> 15 Syy ; Sand(SW) ,black(5Y 511),moist,5%silt,95%fine to
<br /> 00 B-3-1 5 5' coarse sand 158
<br /> SAND(SP l,black (5Y 511),moist,5%silt,95%fine to
<br /> medium sand
<br /> SP
<br /> 188
<br /> Sandy SILT(ML),olive gray(5Y 512),moist,5%clay,
<br /> ML 20 70%silt 25%fine sand,no plasticity _ 202
<br /> 00 B-3-2 0 5' SM Sil SAND ISM),olive gray(5Y 512),wet,10%clay, 210
<br /> —LL25%silt 65%fine to coarse sand
<br /> SP SAND SP ,light olive brown(2 5Y 516),wet,5%silt,
<br /> F 95%fine to medium sand
<br /> 232
<br /> c9 Silty SAND(SM),dark grayish brown(2 5Y 412),wet,
<br /> F-
<br /> 00 B-3-2 4 5' SM IT 10%clay,30%silt 60%fine sand 245
<br /> 25ML 11111 Clayey SILT(ML),dark gray(2 5Y 411),moist to wet, 250
<br /> 0 20%clay,80%silt medium plasticity Bottom of 25 ft
<br /> Boring
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